27211489 has 2 divisors, whose sum is σ = 27211490. Its totient is φ = 27211488.

The previous prime is 27211453. The next prime is 27211493. The reversal of 27211489 is 98411272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23571025 + 3640464 = 4855^2 + 1908^2 .

It is a cyclic number.

It is not a de Polignac number, because 27211489 - 2⁷ = 27211361 is a prime.

It is not a weakly prime, because it can be changed into another prime (27212489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13605744 + 13605745.

It is an arithmetic number, because the mean of its divisors is an integer number (13605745).

Almost surely, 2^27211489 is an apocalyptic number.

It is an amenable number.

27211489 is a deficient number, since it is larger than the sum of its proper divisors (1).

27211489 is an equidigital number, since it uses as much as digits as its factorization.

27211489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 34.

The square root of 27211489 is about 5216.4632654702. The cubic root of 27211489 is about 300.7812562885.

The spelling of 27211489 in words is "twenty-seven million, two hundred eleven thousand, four hundred eighty-nine".